Did a search pf "left" in the kodi.log and got these 5 hits:
Line 1366: 12:47:29 T:4916 DEBUG: CApplication::OnKey: left (0xf082) pressed, action is Left
Line 1366: 12:47:29 T:4916 DEBUG: CApplication::OnKey: left (0xf082) pressed, action is Left
Line 1424: 12:47:44 T:4916 DEBUG: CApplication:
rocessMouse: trying mouse action leftclick
Line 1463: 12:47:46 T:4152 WARNING: CPythonInvoker(2, C:\Users\xbmc\AppData\Roaming\Kodi\addons\service.library.data.provider\service.py): the python script "C:\Users\xbmc\AppData\Roaming\Kodi\addons\service.library.data.provider\service.py" has left several classes in memory that we couldn't clean up. The classes include: class PythonBindings::XBMCAddon_xbmc_Player_Director,class PythonBindings::XBMCAddon_xbmc_Monitor_Director,class XBMCAddon::xbmcgui::Window
Line 1485: 12:47:53 T:2740 WARNING: CPythonInvoker(6, C:\Users\xbmc\AppData\Roaming\Kodi\addons\service.skin.widgets\default.py): the python script "C:\Users\xbmc\AppData\Roaming\Kodi\addons\service.skin.widgets\default.py" has left several classes in memory that we couldn't clean up. The classes include: class XBMCAddon::xbmcgui::Window,class PythonBindings::XBMCAddon_xbmc_Player_Director,class PythonBindings::XBMCAddon_xbmc_Monitor_Director